Mixture, a slurry for an electrode, a battery electrode, a battery and associated methods
View Patent ↗A mixture including a room temperature ionic liquid; and a reversible source/sink of lithium ions. The mixture may be used as a lithium-ion battery electrode slurry enabling flexible lithium-ion batteries.
1. A battery comprising:
one or more electrodes comprising:
a mixture comprising:
a room temperature ionic liquid;
a reversible source/sink of lithium ions; and
conductive carbon additives,
the conductive carbon additives comprising at least one of:
carbon nanoparticles;
carbon nanotubes;
graphene particles,
wherein the mixture does not comprise any organic material other than cations of the room temperature ionic liquid.
2. A battery as claimed in claim 1 , wherein the battery is flexible.
3. A method comprising:
mixing a room temperature ionic liquid;
a reversible source/sink of lithium ions; and
conductive carbon additives,
the conductive carbon additives comprising at least one of:
carbon nanoparticles;
carbon nanotubes;
graphene particles,
wherein the mixture does not comprise any organic material other than cations of the room temperature ionic liquid;
to form a mixture; and
using the mixture to form an electrode of a battery.
4. A method as claimed in claim 3 comprising:
coating a metal electrode component with the mixture.
5. A flexible lithium-ion battery having a rechargeable charge capacity of greater than 1000 mAh, comprising:
a flexible electrode, wherein the flexible electrode is formed using a mixture comprising:
a room temperature ionic liquid;
a reversible source/sink of lithium ions; and
conductive carbon additives,
the conductive carbon additives comprising at least one of:
carbon nanoparticles;
carbon nanotubes;
graphene particles,
wherein the mixture does not comprise any organic material other than cations of the room temperature ionic liquid.
6. A battery as claimed in claim 1 , wherein the ratio of room temperature ionic liquid to reversible source/sink of lithium ions is 1:10 to 3:1.
7. A method as claimed in claim 3 , wherein the ratio of room temperature ionic liquid to reversible source/sink of lithium ions is 1:10 to 3:1.
8. A flexible lithium-ion battery as claimed in claim 5 , wherein the ratio of room temperature ionic liquid to reversible source/sink of lithium ions is 1:10 to 3:1.
9. A battery comprising:
one or more electrodes comprising:
a mixture consisting of:
a room temperature ionic liquid;
a reversible source/sink of lithium ions; and
conductive carbon additives.
10. A method comprising:
mixing a room temperature ionic liquid, a reversible source/sink of lithium ions, and conductive carbon additives to form a mixture, the mixture consisting of: a room temperature ionic liquid; a reversible source/sink of lithium ions; and conductive carbon additives; and
using the mixture to form one or more electrodes of a battery.
11. A flexible lithium-ion battery having a rechargeable charge capacity of greater than 1000 mAh, comprising:
a flexible electrode, wherein the flexible electrode is formed using a mixture consisting of:
a room temperature ionic liquid;
a reversible source/sink of lithium ions; and
conductive carbon additives.